Submitted by admin on Sun, 05/18/2014 - 12:24
definition:
Symbiosis which is beneficial to both organisms involved.
sentence:
One of the best-known forms of mutualism involves insects that pollinate a host plant, then deposit offspring that will ultimately consume many of the seeds.
The presence of a commensal parasite that can display mutualism within a clade of known pathogens suggests dynamic evolutionary interactions.
difficulty:
medium
toefl frequency:
2
toefl classification: